x^2+3x-10=30

Simple and best practice solution for x^2+3x-10=30 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for x^2+3x-10=30 equation:


Simplifying
x2 + 3x + -10 = 30

Reorder the terms:
-10 + 3x + x2 = 30

Solving
-10 + 3x + x2 = 30

Solving for variable 'x'.

Reorder the terms:
-10 + -30 + 3x + x2 = 30 + -30

Combine like terms: -10 + -30 = -40
-40 + 3x + x2 = 30 + -30

Combine like terms: 30 + -30 = 0
-40 + 3x + x2 = 0

Factor a trinomial.
(-8 + -1x)(5 + -1x) = 0

Subproblem 1

Set the factor '(-8 + -1x)' equal to zero and attempt to solve: Simplifying -8 + -1x = 0 Solving -8 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -1x = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -1x = 0 + 8 -1x = 0 + 8 Combine like terms: 0 + 8 = 8 -1x = 8 Divide each side by '-1'. x = -8 Simplifying x = -8

Subproblem 2

Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Solution

x = {-8, 5}

See similar equations:

| 31x=-135-4x | | 6x+2d= | | x-24=24+3x | | 11x+13=-13 | | 3y-3+y+47=6y+50-4y | | 3x+2=7x-11 | | 8(1+4m)+9(10m+10)= | | 2x^2+6x-20=30 | | (9/2)x-(5/2)=(13/2) | | b=2.4-1(0.75) | | 4x+10=31 | | 2x+x-6=84 | | v^2+v-42= | | -17x+9=-7 | | 0.25(x-30)=3+2x | | 7d+7b=16.80 | | 2(3)(-4)= | | 2x^3+18x^2+14x= | | 7x1/3-8y=1 | | 5x+8y=179 | | G(x)=3g(1/3x) | | .04y+.14(300-y)=.07y | | -5(2x-23)=2(x-2)-3 | | 2+14=-8+9y | | (1/3)9cube3 | | 18x^2+2x-1=0 | | 4B+B=900 | | x^2-y^2-12x+6y=-23 | | 10.2x+12.73=-9.8x+11.23 | | 9m-15=-63+m | | 42r+84=45r-9 | | 6x^(2/3)-x^(1/3)=2 |

Equations solver categories